Make a screenshot of a screen with much white in it and send it in.
When we see it as blue is a colour setting.
When we see it as white then the screen of your phone turned blue.
You can do this test also by projecting the screenshot on your home computer.
Second, maybe first option is to goto settings, display, white balance
Maybe the white balance has been set to unbalance.
You can translate this text using translate.google.com
